Siemens optiPoint 400 - Fax Details and Message on Answering Machine

Using Other Functions
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Step by Step
Fax Details and Message on Answer-
ing Machine
If a fax or answering machine is connected to your sys-
tem and you have assigned the "Fax details" function to
a programmable key Æ Page 54, the key lights up when
a fax or a message has been received.
Deactivating indication:
Press the illuminated "Fax details" key. The LED goes
out.